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Take Me To The Gadgetory!
LED Wristwatch PCB

Posted March 22, 2015 by Chris

"Sure, this doesn’t use a vacuum tube, but it’s still a neat way to reuse some old-fashioned 7-segment LED displays. OK, so I can’t wear it yet. It still needs a case and watch band.The LED displays are quite tiny and would have been used for calculators or similar devices back in the day."

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